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1z1-809 Updated CBT - 1z1-809 Knowledge Points

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Oracle Java SE 8 Programmer II Sample Questions (Q142-Q147):

NEW QUESTION # 142
Given:

What is the result?

A. 10 Hello Hello 11
B. 10 Hello 11
C. 10 Hello Hello 121
D. 100 Hello 121
E. 100 Hello Hello 121

Answer: A

NEW QUESTION # 143
Given:
public interface Moveable<Integer> {
public default void walk (Integer distance) {System.out.println("Walking");) public void run(Integer distance);
}
Which statement is true?

A. Movable cannot be used in a lambda expression.
B. Moveable can be used as below:
Moveable<Integer> animal = n - > System.out.println("Running" + n);
animal.run(100);
animal.walk(20);
C. Moveable can be used as below:
Moveable animal = (Integer n) - > System.out.println(n);
animal.run(100);
Moveable.walk(20);
D. Moveable can be used as below:
Moveable<Integer> animal = n - >n + 10;
animal.run(100);
animal.walk(20);

Answer: D

NEW QUESTION # 144
Given:

What is the result?

A. 10 : 30 : 6
B. 10 : 22 : 6
C. 10 : 22 : 22
D. 10 : 22 : 20

Answer: C

NEW QUESTION # 145
Given that /green.txt and /colors/yellow.txt are accessible, and the code fragment:
Path source = Paths.get("/green.txt);
Path target = Paths.get("/colors/yellow.txt);
Files.move(source, target, StandardCopyOption.ATOMIC_MOVE);
Files.delete(source);
Which statement is true?

A. The yellow.txt file content is replaced by the green.txt file content and an exception is thrown.
B. The green.txt file content is replaced by the yellow.txt file content and the yellow.txt file is deleted.
C. The file green.txt is moved to the /colors directory.
D. A FileAlreadyExistsException is thrown at runtime.

Answer: A

NEW QUESTION # 146
Given this code;

Which two are correct after this class is instantiated and tested?

A. If the value of j is set to 15, the value of i could be any integer value.
B. If the value of i is set to 8, the value of j could be any integer value.
C. If the value of i is set to 6, the value of j will be 18.
D. If the value of j is set to 5, the value of i will be 15.
E. If the value of i remains 3, the value of j will remain 9.
F. If the value of i is set to 5, the value of j will be 1.

Answer: D,F

NEW QUESTION # 147
......

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